/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.core.process.validation.validator.impl;

import com.je.bpm.core.model.*;
import com.je.bpm.core.model.process.EventSubProcess;
import com.je.bpm.core.model.process.Process;
import com.je.bpm.core.model.event.StartEvent;
import com.je.bpm.core.model.process.SubProcess;
import com.je.bpm.core.process.validation.ValidationError;
import com.je.bpm.core.process.validation.validator.Problems;
import com.je.bpm.core.process.validation.validator.ProcessLevelValidator;

import java.util.List;

/**
 *
 */
public class SubprocessValidator extends ProcessLevelValidator {

    @Override
    protected void executeValidation(BpmnModel bpmnModel, Process process, List<ValidationError> errors) {
        List<SubProcess> subProcesses = process.findFlowElementsOfType(SubProcess.class);
        for (SubProcess subProcess : subProcesses) {
            if (!(subProcess instanceof EventSubProcess)) {
                // Verify start events
                List<StartEvent> startEvents = process.findFlowElementsInSubProcessOfType(subProcess, StartEvent.class, false);
                if (startEvents.size() > 1) {
                    addError(errors, Problems.SUBPROCESS_MULTIPLE_START_EVENTS, process, subProcess, "Multiple start events not supported for subprocess");
                }

                for (StartEvent startEvent : startEvents) {
                    if (!startEvent.getEventDefinitions().isEmpty()) {
                        addError(errors, Problems.SUBPROCESS_START_EVENT_EVENT_DEFINITION_NOT_ALLOWED, process, startEvent, "event definitions only allowed on start event if subprocess is an event subprocess");
                    }
                }

            }

        }

    }

}
